/*
 * rfft.h
 *
 *  Created on: Jun 29, 2022
 *      Author: zeshou
 */

#ifndef DRIVER_RFFT_H_
#define DRIVER_RFFT_H_


#include <math.h>
#include "bitband.h"

#define PI 3.14159265358979f

void rfft(float x[],u16 n,float y[],float rel[],float ima[]);

void kfft(float pr[],float pi[],u16 n,u8 k,float fr[],float fi[]);

#endif /* DRIVER_RFFT_H_ */
